i am looking in to a wastegate for the tube turbo manifold i got off ebay(right up soon to come). the thing im am trying to find out is, when dose size matter(thats what she said). will a 40mm be fine for say, 600hp. it the some kinda math i can do to find out what size would be best for me?
dose size really matter???
- Thread starter super supra dave
- Start date
Well I do know that for my evo I went with the Tial 38mm wastegate and got 575whp out of it and seems to be holding very well. The only time I have seen the necessity for the 44mm is when I see turbos bigger than the gt35r size and wanting power in the excess of 700whp.
suprahero;994624 said:
Oh nice. Why did you go so big? Was it because you ar going to go with a bigger turbo eventually or you just wanted that one? :icon_razz
Hey I really like your car btw. Its awesome!
Smaller wastegates will allow you to keep higher pressures easier whereas a larger wastegate will be able to regulate lower boost pressure easier.
starscream5000;994632 said:GT35R isn't that big for a 3.0L
true true, hey whenever you want to get rid of that thing let me know I may be interested :naughty:
I see a 37r or maybe even a 42r in your future :biglaugh:
jdub;994656 said:Dose size does matter...you don't want to overdose when you're taking Prozac
:rofl::yelrotflm
ok I think im done laughing oh wait...:biglaugh:
starscream5000;994631 said:
so what your saying is that if i go with like a 67 trim pushing 15-18 psi that i would want a bigger wastegate, or the other way around. i thought the hole thing about a wastegate was to get the gasses out as fast as you can.
higher psi = smaller wastegate
lower psi = bigger wastegate
why? because say on a gt35r... you only want 7psi, that means when your going WOT you have to have all of those gases trying to spool the turbo go out the wastegate instead, now if you were pushing 25psi, you have WAYYYYY more of the gases going to the turbo to keep it spooled at 25psi. So thats why you want a bigger wastegate on a smaller psi.
lower psi = bigger wastegate
why? because say on a gt35r... you only want 7psi, that means when your going WOT you have to have all of those gases trying to spool the turbo go out the wastegate instead, now if you were pushing 25psi, you have WAYYYYY more of the gases going to the turbo to keep it spooled at 25psi. So thats why you want a bigger wastegate on a smaller psi.
ok so under 600, 700 just stay with a 40mm. can do. when ever i get the wastegate ill do a wright up about the ebay tube turbo manifold(i know some of you like to call it a header, but, hey its turbo who care.lol).